28640378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12377}}^1$

素因数の和:12481

約数の個数: 16

約数和(自身を含む): 46788840

約数和(自身を除く): 18148462

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 12377, 24754, 160901, 321802, 1101553, 2203106, 14320189, 28640378]

約数ペア:

[(1, 28640378), (2, 14320189), (13, 2203106), (26, 1101553), (89, 321802), (178, 160901), (1157, 24754), (2314, 12377)]